169 files changed, 64432 insertions, 116 deletions
diff --git a/tvapi/libtv/tv/AutoBackLight.cpp b/tvapi/libtv/tv/AutoBackLight.cpp new file mode 100644 index 0000000..8c659c6 --- a/dev/null +++ b/tvapi/libtv/tv/AutoBackLight.cpp @@ -0,0 +1,213 @@ +#include "AutoBackLight.h" +#include "../tvsetting/CTvSetting.h" +#include "../tvconfig/tvconfig.h" +#include "../tvutils/tvutils.h" +#include <stdio.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> +#include <dlfcn.h> +#include <linux/fb.h> +#include <stdlib.h> +#include <cutils/properties.h> + +#ifdef LOG_TAG +#undef LOG_TAG +#define LOG_TAG "AutoBackLight" +#endif + +AutoBackLight::AutoBackLight( CVpp *mVpp, CTvin *pTvin ) +{ + mAutoBacklightSource = SOURCE_TYPE_TV; + myVpp = mVpp; + myTvin = pTvin; + mCur_source_default_backlight = 100; + mCur_sig_state == SIG_STATE_NOSIG; + mAutoBacklight_OnOff_Flag = false; + mCurrent_backlight = 100; + mCur_dest_backlight = 100; +} + +AutoBackLight::~AutoBackLight() +{ + mAutoBacklight_OnOff_Flag = false; +} + +bool AutoBackLight::isAutoBacklightOn() +{ + return mAutoBacklight_OnOff_Flag; +} + +void AutoBackLight::updateSigState(int state) +{ + mCur_sig_state = state; + LOGD("updateSigState = %d", mCur_sig_state); +} + +void AutoBackLight::startAutoBacklight( tv_source_input_type_t source_type ) +{ + mAutoBacklightSource = source_type; + mCur_source_default_backlight = myVpp->Tv_GetBacklight(source_type); + mCurrent_backlight = mCur_source_default_backlight; + myVpp->Tv_SetBacklight(mCur_source_default_backlight, source_type, 1); + + /* + mDefault_auto_bl_value = def_source_bl_value; + dynamicGamma = mDefault_auto_bl_value * mCur_source_default_backlight / 100; + // this if should not happen + if (dynamicGamma > mCur_source_default_backlight) { + dynamicGamma = mCur_source_default_backlight; + } + */ + + if (!mAutoBacklight_OnOff_Flag) { + mAutoBacklight_OnOff_Flag = true; + this->run(); + } +} + +void AutoBackLight::stopAutoBacklight() +{ + if (mAutoBacklight_OnOff_Flag) { + mAutoBacklight_OnOff_Flag = false; + myVpp->Tv_SetBacklight(mCur_source_default_backlight, mAutoBacklightSource, 1); + } +} + +/** + * @ description: tpv project + * @ return:value + * value <= 20: mCur_dest_backlight is 14 + * 20 < value <= 160: mCur_dest_backlight is 57 + *160 < value: mCur_dest_backlight is 100 + */ +void AutoBackLight::adjustDstBacklight() +{ + if (mCur_sig_state == SIG_STATE_STABLE) { + //the node is used to adjust current ts is static or dynamtic frame + char temp_str = 0; + int fd = open("/sys/module/di/parameters/frame_dynamic", O_RDWR); + if (fd <= 0) { + LOGE("open /sys/module/di/parameters/frame_dynamic ERROR!!\n"); + return; + } + + if (read(fd, &temp_str, 1) > 0) { + + if (temp_str == 'N') { + mCurrent_backlight = mCur_dest_backlight = mCur_source_default_backlight; + myVpp->Tv_SetBacklight(mCurrent_backlight, mAutoBacklightSource, 0); + } else if (temp_str == 'Y') { + int pwm = HistogramGet_AVE(); + if (pwm <= 20) { + mCur_dest_backlight = 14; + } else if (pwm > 20 && pwm <= 160) { + mCur_dest_backlight = 57; + } else { + mCur_dest_backlight = 100; + } + //LOGD("pwm = %d, mCur_dest_backlight = %d", pwm, mCur_dest_backlight); + } + } + close(fd); + } else { + mCurrent_backlight = mCur_dest_backlight = mCur_source_default_backlight; + myVpp->Tv_SetBacklight(mCurrent_backlight, mAutoBacklightSource, 0); + } + + /* + if (pwm > 0) + pwm_max = pwm; + else + pwm_min = pwm; + pwm = 255 - pwm; + int average = (pwm_min + pwm_max) / 2; + dynamicGammaOffset = (pwm - average) / 10; + dynamicGammaOffset = dynamicGammaOffset * mDefault_auto_bl_value / 100; + + //the node is used to adjust current ts is static or dynamtic frame + char temp_str = 0; + int fd = open("/sys/module/di/parameters/frame_dynamic", O_RDWR); + if (fd <= 0) { + LOGE("open /sys/module/di/parameters/frame_dynamic ERROR!!\n"); + return; + } + + if (read(fd, &temp_str, 1) > 0) { + if (temp_str== 'N') { + mCur_dest_backlight = mCur_source_default_backlight; + } + else if (temp_str == 'Y') { + mCur_dest_backlight = dynamicGamma + dynamicGammaOffset; + + if (mCur_dest_backlight > mCur_source_default_backlight) { + mCur_dest_backlight = mCur_source_default_backlight; + } + else if (mCur_dest_backlight < 0) { + mCur_dest_backlight = 0; + } + } + } + close(fd); + */ +} + +void AutoBackLight::adjustBacklight() +{ + if (mCurrent_backlight == mCur_dest_backlight) { + return; + } else if ((mCurrent_backlight - mCur_dest_backlight) > -2 && (mCurrent_backlight - mCur_dest_backlight) < 2) { + mCurrent_backlight = mCur_dest_backlight; + myVpp->Tv_SetBacklight(mCurrent_backlight, mAutoBacklightSource, 0); + } else if (mCurrent_backlight < mCur_dest_backlight) { + mCurrent_backlight = mCurrent_backlight + 2; + myVpp->Tv_SetBacklight(mCurrent_backlight, mAutoBacklightSource, 0); + } else if (mCurrent_backlight > mCur_dest_backlight) { + mCurrent_backlight = mCurrent_backlight - 2; + myVpp->Tv_SetBacklight(mCurrent_backlight, mAutoBacklightSource, 0); + } + + //LOGD("mCurrent_backlight = %d", mCurrent_backlight); +} + +/** + * @ description: get current picture's average brightness + * @ return: 0~255,0 is darkest,255 is brightest + */ +int AutoBackLight::HistogramGet_AVE() +{ + int hist_ave = 0; + tvin_parm_t vdinParam; + if (0 == myTvin->VDIN_GetVdinParam(&vdinParam)) { + if (vdinParam.pixel_sum != 0) { + hist_ave = vdinParam.luma_sum / vdinParam.pixel_sum; + LOGD("[hist_ave][%d].", hist_ave); + return hist_ave; + } + LOGE("vdinParam.pixel_sum is zero, so the value is infinity\n"); + return -1; + } + LOGE("VDIN_GetVdinParam get data error!!!\n"); + return -1; +} + +bool AutoBackLight::threadLoop() +{ + int sleeptime = 50;//ms + int adjustBacklightCount = 0; + while ( mAutoBacklight_OnOff_Flag ) { + usleep ( sleeptime * 1000 ); + adjustBacklightCount++; + if (adjustBacklightCount == 24) { + adjustBacklightCount = 0; + adjustDstBacklight(); + } + adjustBacklight(); + } + + return false;//return true, run again, return false,not run. +} |